// Copyright 2020 The Cockroach Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This software (KWDB) is licensed under Mulan PSL v2.
// You can use this software according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of Mulan PSL v2 at:
//          http://license.coscl.org.cn/MulanPSL2
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
// MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PSL v2 for more details.

package limit

import (
	"context"
	"math"
	"testing"

	"github.com/stretchr/testify/require"
	"golang.org/x/time/rate"
)

func TestLimiterBurstDisabled(t *testing.T) {
	limiter := NewLimiter(100)

	if err := limiter.WaitN(context.Background(), 101); err != nil {
		t.Fatal(err)
	}

	limiter = NewLimiter(rate.Limit(math.MaxFloat64))
	require.Equal(t, maxInt, limiter.limiter.Burst())
}
